How to compare two hexadecimal number?

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Balkar Singh 2020-4-17

评论： Balkar Singh 2020-4-17

Operands to the || and && operators must be convertible to logical scalar values.

I got this error when i try to excute the following code

if (dec2hex(watermark(1,i)) ==char('200E') && dec2hex(watermark(1,i+1))

==char('200E'))

Stephen23 2020-4-17

'200E' is already a character vector, so char('200E') does absolutely nothing (it just returns '200E' unchanged).

Use strcmpi to compare the character vector '200E' against the output of dec2hex.

Balkar Singh 2020-4-17

Thanks sir.

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